src/gtk/mdi.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        mdi.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifdef __GNUG__
  11 #pragma implementation "mdi.h"
  12 #endif
  13
  14 #include "wx/mdi.h"
  15 #include "wx/dialog.h"
  16 #include "wx/menu.h"
  17 #include "wx/gtk/win_gtk.h"
  18 #include <wx/intl.h>
  19
  20 //-----------------------------------------------------------------------------
  21 // constants
  22 //-----------------------------------------------------------------------------
  23
  24 const int wxMENU_HEIGHT    = 30;
  25
  26 //-----------------------------------------------------------------------------
  27 // globals
  28 //-----------------------------------------------------------------------------
  29
  30 extern wxList wxPendingDelete;
  31
  32 //-----------------------------------------------------------------------------
  33 // "size_allocate"
  34 //-----------------------------------------------------------------------------
  35
  36 static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
  37 {
  38   if ((win->m_x == alloc->x) &&
  39       (win->m_y == alloc->y) &&
  40       (win->m_width == alloc->width) &&
  41       (win->m_height == alloc->height))
  42   {
  43     return;
  44   }
  45
  46   win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
  47 }
  48
  49 //-----------------------------------------------------------------------------
  50 // page change callback
  51 //-----------------------------------------------------------------------------
  52
  53 static void gtk_page_change_callback( GtkNotebook *WXUNUSED(widget),
  54                                       GtkNotebookPage *page,
  55                                       gint WXUNUSED(nPage),
  56                                       wxMDIClientWindow *client_win )
  57 {
  58   wxNode *node = client_win->m_children.First();
  59   while (node)
  60   {
  61     wxMDIChildFrame *child_frame = (wxMDIChildFrame *)node->Data();
  62     if (child_frame->m_page == page)
  63     {
  64       wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)client_win->m_parent;
  65       mdi_frame->m_currentChild = child_frame;
  66       mdi_frame->SetMDIMenuBar( child_frame->m_menuBar );
  67       return;
  68     }
  69     node = node->Next();
  70   }
  71 }
  72
  73 //-----------------------------------------------------------------------------
  74 // wxMDIParentFrame
  75 //-----------------------------------------------------------------------------
  76
  77 IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame,wxFrame)
  78
  79 BEGIN_EVENT_TABLE(wxMDIParentFrame, wxFrame)
  80 END_EVENT_TABLE()
  81
  82 wxMDIParentFrame::wxMDIParentFrame(void)
  83 {
  84   m_clientWindow = (wxMDIClientWindow *) NULL;
  85   m_currentChild = (wxMDIChildFrame *) NULL;
  86   m_parentFrameActive = TRUE;
  87 }
  88
  89 wxMDIParentFrame::wxMDIParentFrame( wxWindow *parent,
  90       wxWindowID id, const wxString& title,
  91       const wxPoint& pos, const wxSize& size,
  92       long style, const wxString& name )
  93 {
  94   m_clientWindow = (wxMDIClientWindow *) NULL;
  95   m_currentChild = (wxMDIChildFrame *) NULL;
  96   m_parentFrameActive = TRUE;
  97   Create( parent, id, title, pos, size, style, name );
  98 }
  99
 100 wxMDIParentFrame::~wxMDIParentFrame(void)
 101 {
 102 }
 103
 104 bool wxMDIParentFrame::Create( wxWindow *parent,
 105       wxWindowID id, const wxString& title,
 106       const wxPoint& pos, const wxSize& size,
 107       long style, const wxString& name )
 108 {
 109   wxFrame::Create( parent, id, title, pos, size, style, name );
 110
 111   OnCreateClient();
 112
 113   return TRUE;
 114 }
 115
 116 void wxMDIParentFrame::GtkOnSize( int x, int y, int width, int height )
 117 {
 118   wxFrame::GtkOnSize( x, y, width, height );
 119
 120   if (m_mdiMenuBar)
 121   {
 122     m_mdiMenuBar->m_x = 1;
 123     m_mdiMenuBar->m_y = 1;
 124     m_mdiMenuBar->m_width = m_width-2;
 125     m_mdiMenuBar->m_height = wxMENU_HEIGHT-2;
 126     gtk_myfixed_move( GTK_MYFIXED(m_wxwindow), m_mdiMenuBar->m_widget, 1, 1 );
 127     gtk_widget_set_usize( m_mdiMenuBar->m_widget, m_width-2, wxMENU_HEIGHT-2 );
 128   }
 129 }
 130
 131 void wxMDIParentFrame::SetMDIMenuBar( wxMenuBar *menu_bar )
 132 {
 133   if (m_mdiMenuBar) m_mdiMenuBar->Show( FALSE );
 134   m_mdiMenuBar = menu_bar;
 135   if (m_mdiMenuBar)
 136   {
 137     m_mdiMenuBar->m_x = 1;
 138     m_mdiMenuBar->m_y = 1;
 139     m_mdiMenuBar->m_width = m_width-2;
 140     m_mdiMenuBar->m_height = wxMENU_HEIGHT-2;
 141     gtk_myfixed_move( GTK_MYFIXED(m_wxwindow), m_mdiMenuBar->m_widget, 1, 1 );
 142     gtk_widget_set_usize( m_mdiMenuBar->m_widget, m_width-2, wxMENU_HEIGHT-2 );
 143     m_mdiMenuBar->Show( TRUE );
 144   }
 145 }
 146
 147 void wxMDIParentFrame::GetClientSize(int *width, int *height ) const
 148 {
 149   wxFrame::GetClientSize( width, height );
 150 }
 151
 152 wxMDIChildFrame *wxMDIParentFrame::GetActiveChild(void) const
 153 {
 154   return m_currentChild;
 155 }
 156
 157 wxMDIClientWindow *wxMDIParentFrame::GetClientWindow(void) const
 158 {
 159   return m_clientWindow;
 160 }
 161
 162 wxMDIClientWindow *wxMDIParentFrame::OnCreateClient(void)
 163 {
 164   m_clientWindow = new wxMDIClientWindow( this );
 165   return m_clientWindow;
 166 }
 167
 168 void wxMDIParentFrame::ActivateNext(void)
 169 {
 170   if (m_clientWindow)
 171     gtk_notebook_next_page( GTK_NOTEBOOK(m_clientWindow->m_widget) );
 172 }
 173
 174 void wxMDIParentFrame::ActivatePrevious(void)
 175 {
 176   if (m_clientWindow)
 177     gtk_notebook_prev_page( GTK_NOTEBOOK(m_clientWindow->m_widget) );
 178 }
 179
 180 void wxMDIParentFrame::OnActivate( wxActivateEvent& WXUNUSED(event) )
 181 {
 182 }
 183
 184 void wxMDIParentFrame::OnSysColourChanged( wxSysColourChangedEvent& WXUNUSED(event) )
 185 {
 186 }
 187
 188 //-----------------------------------------------------------------------------
 189 // wxMDIChildFrame
 190 //-----------------------------------------------------------------------------
 191
 192 IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame,wxFrame)
 193
 194 BEGIN_EVENT_TABLE(wxMDIChildFrame, wxFrame)
 195   EVT_ACTIVATE(wxMDIChildFrame::OnActivate)
 196 END_EVENT_TABLE()
 197
 198 wxMDIChildFrame::wxMDIChildFrame(void)
 199 {
 200   m_menuBar = (wxMenuBar *) NULL;
 201   m_page = (GtkNotebookPage *) NULL;
 202 }
 203
 204 wxMDIChildFrame::wxMDIChildFrame( wxMDIParentFrame *parent,
 205       wxWindowID id, const wxString& title,
 206       const wxPoint& WXUNUSED(pos), const wxSize& size,
 207       long style, const wxString& name )
 208 {
 209   m_menuBar = (wxMenuBar *) NULL;
 210   m_page = (GtkNotebookPage *) NULL;
 211   Create( parent, id, title, wxDefaultPosition, size, style, name );
 212 }
 213
 214 wxMDIChildFrame::~wxMDIChildFrame(void)
 215 {
 216   if (m_menuBar)
 217   {
 218     wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)m_parent->m_parent;
 219     if (mdi_frame->m_currentChild == this)
 220     {
 221       mdi_frame->SetMDIMenuBar( (wxMenuBar *) NULL );
 222       mdi_frame->m_currentChild = (wxMDIChildFrame *) NULL;
 223     }
 224     delete m_menuBar;
 225   }
 226 }
 227
 228 bool wxMDIChildFrame::Create( wxMDIParentFrame *parent,
 229       wxWindowID id, const wxString& title,
 230       const wxPoint& WXUNUSED(pos), const wxSize& size,
 231       long style, const wxString& name )
 232 {
 233   m_title = title;
 234
 235   return wxWindow::Create( parent->GetClientWindow(), id, wxDefaultPosition, size, style, name );
 236 }
 237
 238 void wxMDIChildFrame::GetClientSize( int *width, int *height ) const
 239 {
 240   wxWindow::GetClientSize( width, height );
 241 }
 242
 243 void wxMDIChildFrame::AddChild( wxWindow *child )
 244 {
 245   wxWindow::AddChild( child );
 246 }
 247
 248 static void SetInvokingWindow( wxMenu *menu, wxWindow *win )
 249 {
 250   menu->SetInvokingWindow( win );
 251   wxNode *node = menu->m_items.First();
 252   while (node)
 253   {
 254     wxMenuItem *menuitem = (wxMenuItem*)node->Data();
 255     if (menuitem->IsSubMenu())
 256       SetInvokingWindow( menuitem->GetSubMenu(), win );
 257     node = node->Next();
 258   }
 259 }
 260
 261 void wxMDIChildFrame::SetMenuBar( wxMenuBar *menu_bar )
 262 {
 263   m_menuBar = menu_bar;
 264
 265   if (m_menuBar)
 266   {
 267     wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)m_parent->m_parent;
 268
 269     if (m_menuBar->m_parent != this)
 270     {
 271       wxNode *node = m_menuBar->m_menus.First();
 272       while (node)
 273       {
 274         wxMenu *menu = (wxMenu*)node->Data();
 275         SetInvokingWindow( menu, this );
 276         node = node->Next();
 277       }
 278
 279       m_menuBar->m_parent = mdi_frame;
 280     }
 281     mdi_frame->SetMDIMenuBar( m_menuBar );
 282
 283     gtk_myfixed_put( GTK_MYFIXED(mdi_frame->m_wxwindow),
 284       m_menuBar->m_widget, m_menuBar->m_x, m_menuBar->m_y );
 285   }
 286 }
 287
 288 wxMenuBar *wxMDIChildFrame::GetMenuBar()
 289 {
 290   return m_menuBar;
 291 }
 292
 293 void wxMDIChildFrame::Activate(void)
 294 {
 295 }
 296
 297 void wxMDIChildFrame::OnActivate( wxActivateEvent &WXUNUSED(event) )
 298 {
 299 }
 300
 301 //-----------------------------------------------------------------------------
 302 // InsertChild callback for wxMDIClientWindow
 303 //-----------------------------------------------------------------------------
 304
 305 static void wxInsertChildInMDI( wxMDIClientWindow* parent, wxMDIChildFrame* child )
 306 {
 307   wxString s = child->m_title;
 308   if (s.IsNull()) s = _("MDI child");
 309
 310   GtkWidget *label_widget = gtk_label_new( s );
 311   gtk_misc_set_alignment( GTK_MISC(label_widget), 0.0, 0.5 );
 312
 313   gtk_signal_connect( GTK_OBJECT(child->m_widget), "size_allocate",
 314     GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)child );
 315
 316   GtkNotebook *notebook = GTK_NOTEBOOK(parent->m_widget);
 317
 318   gtk_notebook_append_page( notebook, child->m_widget, label_widget );
 319
 320   child->m_page = (GtkNotebookPage*) (g_list_last(notebook->children)->data);
 321
 322   gtk_notebook_set_page( notebook, parent->m_children.Number()-1 );
 323
 324   gtk_page_change_callback( (GtkNotebook *) NULL, child->m_page, 0, parent );
 325 }
 326
 327 //-----------------------------------------------------------------------------
 328 // wxMDIClientWindow
 329 //-----------------------------------------------------------------------------
 330
 331 IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow,wxWindow)
 332
 333 wxMDIClientWindow::wxMDIClientWindow(void)
 334 {
 335 }
 336
 337 wxMDIClientWindow::wxMDIClientWindow( wxMDIParentFrame *parent, long style )
 338 {
 339   CreateClient( parent, style );
 340 }
 341
 342 wxMDIClientWindow::~wxMDIClientWindow(void)
 343 {
 344 }
 345
 346 bool wxMDIClientWindow::CreateClient( wxMDIParentFrame *parent, long style )
 347 {
 348   m_needParent = TRUE;
 349
 350   m_insertCallback = (wxInsertChildFunction)wxInsertChildInMDI;
 351
 352   PreCreation( parent, -1, wxPoint(10,10), wxSize(100,100), style, "wxMDIClientWindow" );
 353
 354   m_widget = gtk_notebook_new();
 355
 356   gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 357                       GTK_SIGNAL_FUNC(gtk_page_change_callback), (gpointer)this );
 358
 359   gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 360
 361   m_parent->AddChild( this );
 362
 363   (m_parent->m_insertCallback)( m_parent, this );
 364
 365   PostCreation();
 366
 367   Show( TRUE );
 368
 369   return TRUE;
 370 }
 371
 372
 373